Radix cross Linux

     5         kx #!/bin/sh
     5         kx 
     5         kx # Preserve new files
     5         kx install_file() {
     5         kx   NEW="$1"
     5         kx   OLD="`dirname $NEW`/`basename $NEW .new`"
     5         kx   # If there's no file by that name, mv it over:
     5         kx   if [ ! -r $OLD ]; then
     5         kx     mv $NEW $OLD
     5         kx   elif [ "`cat $OLD | md5sum`" = "`cat $NEW | md5sum`" ]; then # toss the redundant copy
     5         kx     rm $NEW
     5         kx   fi
     5         kx   # Otherwise, we leave the .new copy for the admin to consider...
     5         kx }
     5         kx 
     5         kx 
     5         kx # arg 1:  the new package version
     5         kx pre_install() {
     5         kx   /bin/true
     5         kx }
     5         kx 
     5         kx # arg 1:  the new package version
     5         kx post_install() {
     5         kx   # Notice we use an absolute path below, rather than usr/bin/update-mime-database.
     5         kx   # This is because we're testing to see if we are on the bootdisk, which will not
     5         kx   # have /usr/bin/update-mime-database.
     5         kx   # The presence of "/etc/system-installer" is under consideration as a better test.
     5         kx   # Also we have to check that we are not in the installer mode on the target system
     5         kx   # ("/etc/system-installer"), and we have to be sure that we are on the working system
     5         kx   # on the target hardware ("proc/sys/kernel/osrelease" - relative path).
     5         kx   if [ -r proc/sys/kernel/osrelease -a ! -r /etc/system-installer -a -x /usr/bin/update-mime-database ]; then
     5         kx     /usr/bin/update-mime-database /usr/share/mime 1>/dev/null 2>/dev/null
     5         kx     cat /etc/passwd | while read passwdline ; do
     5         kx       homedir=$(echo $passwdline | cut -f 6 -d :)
     5         kx       if [ -d $homedir/.local/share/mime ]; then
     5         kx         username=$(echo $passwdline | cut -f 1 -d :)
     5         kx         su $username -c "/usr/bin/update-mime-database $homedir/.local/share/mime 1>/dev/null 2>/dev/null" 2> /dev/null
     5         kx       fi
     5         kx     done
     5         kx     # This is just "cleanup" in case something might be missed in /home/*/
     5         kx     for homemimedir in /home/*/.local/share/mime ; do
     5         kx       if [ -d $homemimedir ]; then
     5         kx         username=$(echo $homemimedir | cut -f 3 -d /)
     5         kx         su $username -c "/usr/bin/update-mime-database $homemimedir 1>/dev/null 2>/dev/null" 2> /dev/null
     5         kx       fi
     5         kx     done
     5         kx   else
     5         kx     # We are not on the target system and we can make use build-machine's utility
     5         kx     if [ -x /usr/bin/update-mime-database ] ; then
     5         kx       update-mime-database usr/share/mime 1>/dev/null 2>/dev/null
     5         kx     fi
     5         kx   fi
     5         kx }
     5         kx 
     5         kx # arg 1:  the new package version
     5         kx # arg 2:  the old package version
     5         kx pre_update() {
     5         kx   /bin/true
     5         kx }
     5         kx 
     5         kx # arg 1:  the new package version
     5         kx # arg 2:  the old package version
     5         kx post_update() {
     5         kx   post_install
     5         kx }
     5         kx 
     5         kx # arg 1:  the old package version
     5         kx pre_remove() {
     5         kx   /bin/true
     5         kx }
     5         kx 
     5         kx # arg 1:  the old package version
     5         kx post_remove() {
     5         kx   if [ -d usr/share/mime ]; then
     5         kx     rm -f usr/share/mime/{XMLnamespaces,aliases,generic-icons,globs,globs2,icons,magic,mime.cache,subclasses,treemagic,types,version}
     5         kx     rm -rf usr/share/mime/{application,audio,font,image,inode,message,model,multipart,packages,text,video,x-content,x-epoc}
     5         kx     rm -rf usr/share/mime
     5         kx   fi
     5         kx }
     5         kx 
     5         kx 
     5         kx operation=$1
     5         kx shift
     5         kx 
     5         kx $operation $*